JP2000237616A - Vertical type coarsely pulverizing apparatus for fiber- containing material and cutter structure thereof - Google Patents
Vertical type coarsely pulverizing apparatus for fiber- containing material and cutter structure thereofInfo
- Publication number
- JP2000237616A JP2000237616A JP11047544A JP4754499A JP2000237616A JP 2000237616 A JP2000237616 A JP 2000237616A JP 11047544 A JP11047544 A JP 11047544A JP 4754499 A JP4754499 A JP 4754499A JP 2000237616 A JP2000237616 A JP 2000237616A
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- Prior art keywords
- blade
- cylindrical casing
- fiber
- bottomed cylindrical
- rotary
- Prior art date
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- Crushing And Pulverization Processes (AREA)
- Paper (AREA)
Abstract
Description
【０００１】[0001]
【本発明の属する技術分野】本発明は、再生原料（使用
済物品）又は中間製品として供される故紙、古布、木
片、バージンパルプシートその他の繊維含有材料から解
繊物を得ようとする際に、主に乾式解繊処理の前処理と
して繊維含有材料を物理的に切り刻むために用いられる
繊維含有材料の縦型粗粉砕装置及びその刃物構造に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of obtaining a defibrated material from waste paper, used cloth, wood chips, virgin pulp sheet and other fiber-containing materials provided as recycled raw materials (spent articles) or intermediate products. In particular, the present invention relates to a vertical coarse pulverizing apparatus for a fiber-containing material used for physically chopping the fiber-containing material as a pretreatment mainly for dry defibration, and a blade structure thereof.
【０００２】[0002]
【従来の技術】先に、本発明者らは、乾式処理方式の紙
片解繊装置〔特開平８−２１５５９５号；以下先願装
置。〕を提案しており、その構成要素〔乾式解繊処理の
前処理を担当するもの〕として繊維含有材料を物理的に
切り刻むための縦型粗粉砕手段〔公報記載では荒解繊部
（１）及び第１解繊部（２）〕を開示している。ここ
で、先願装置の説明に係る符号は公報記載の図中の符号
に合わせた。なお、本発明に係る図中の符号とは無関係
である。2. Description of the Related Art First, the inventors of the present invention have disclosed a paper processing apparatus for dry processing [Japanese Patent Laid-Open No. 8-215595; Vertical coarse crushing means for physically chopping the fiber-containing material as a constituent element thereof (which is in charge of the pretreatment of the dry defibration treatment) [in the publication, the coarse defibration unit (1) And a first defibrating unit (2)]. Here, the reference numerals used in the description of the prior application device are matched with the reference numerals in the figures described in the official gazette. In addition, it has nothing to do with the reference numerals in the drawings according to the present invention.
【０００３】ここで、荒解繊部（１）はシュレッダーで
あり、第１解繊部（２）が構造的に本発明の原型となる
解繊機である。Here, the rough defibrating unit (1) is a shredder, and the first defibrating unit (2) is a defibrating machine that is structurally a prototype of the present invention.
【０００４】先願装置の第１解繊部（２）は、内側に固
定刃（13）を備えた有底円筒ケーシング〔公報記載では
解繊用の固定ドラム（11）〕と、前記有底円筒ケーシン
グ（11）の内壁との間にクリアランスを設けて周設した
多孔スクリーン（16）と、前記有底円筒ケーシング（1
1）の軸中心に軸装され前記固定刃（13）と協働して前
記繊維含有材料を切断又は裂断する回転刃（14；刃先14
ａを含む）と、稼働中に前記有底円筒ケーシング（11）
内の気体を吸引するとともに前記多孔スクリーン（16）
を介して被粉砕物を外部に排出・回収するための気体吸
引部（15→18）を有している。[0004] The first defibrating unit (2) of the prior application device includes a bottomed cylindrical casing (in the publication, a fixed drum (11) for defibrating) having a fixed blade (13) inside, A perforated screen (16) provided with clearance between itself and the inner wall of the cylindrical casing (11);
A rotary blade (14; cutting edge 14) which is mounted around the axis of 1) and cuts or tears the fiber-containing material in cooperation with the fixed blade (13);
a) and the bottomed cylindrical casing (11) during operation.
The inside of the porous screen (16)
It has a gas suction part (15 → 18) for discharging and collecting the object to be crushed to the outside via the.
【０００５】ここで、解繊（本発明に関し粉砕）のプロ
セスは、まず荒解繊部（１）に紙片（被処理物）を投入
して短冊状、細片状等に荒解繊（粗粉砕）し、搬入路
（12）を経て第１解繊部（２）の解繊部（17）に導入
し、いっそう細かに解繊（粉砕）するようにしている。
なお、第１解繊部（２）の回転刃（14）は平面が三角形
をした三角柱状である。〔公報の図４を参照〕Here, in the process of defibration (pulverization according to the present invention), first, a paper piece (object to be processed) is put into the rough defibration unit (1), and is roughly defibrated into a strip shape, a strip shape or the like. Crushed), and introduced into the defibration unit (17) of the first defibration unit (2) via the carry-in path (12) so as to be defibrated (crushed) more finely.
The rotary blade (14) of the first defibrating unit (2) has a triangular prism shape with a triangular plane. [See FIG. 4 of the publication]
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、先願装
置での２段階の粉砕処理によると、処理量を増大するこ
とが困難であった。というのも、解繊（粉砕）する際の
上向きの気流発生が必ずしもうまくゆかず、均一な粉砕
が得られないことがあり、装置（ドラム）下部に被粉砕
物の滞留を許す結果、スムーズな排出に障害を来すとい
う問題があった。したがって、高効率の連続運転を維持
すること、及び紙片投入量（結果として処理量）を上げ
てゆくことは困難であった。However, according to the two-stage pulverizing process in the prior application apparatus, it has been difficult to increase the processing amount. This is because the upward airflow during defibration (crushing) does not always work well, and uniform crushing may not be obtained. There was a problem of obstructing emission. Therefore, it has been difficult to maintain high-efficiency continuous operation and to increase the amount of inserted paper pieces (as a result, the processing amount).
【０００７】本発明はこのような事情に鑑みなされたも
のであって、上記先願装置における課題を解消し、回転
刃を含む粉砕手段の構成を変更して均一な粉砕とスムー
ズな排出（回収）により、高効率で連続運転可能で、処
理量を増大可能な繊維含有材料の縦型粗粉砕装置及びそ
の刃物構造を提供するものである。なお、被処理物に関
しては、故紙にとどまらず、繊維含有材料で回転刃が損
傷しない程度の比較的軟らかいものであれば片状、粒状
（φ10mm程度) に限らず処理対象とすることができる。
例えば、再生原料（使用済物品）又は中間製品として供
される繊維含有材料としては、古布、木片、バージンパ
ルプシート等が考慮される。The present invention has been made in view of such circumstances, and solves the above-mentioned problems in the prior application apparatus, and changes the configuration of a pulverizing means including a rotary blade to achieve uniform pulverization and smooth discharge (recovery). The present invention provides a vertical coarse pulverizing apparatus for a fiber-containing material which can be continuously operated with high efficiency and can increase the throughput, and a blade structure thereof. The object to be treated is not limited to waste paper, and may be any object that is not limited to flakes and granules (approximately φ10 mm) as long as the fiber-containing material is relatively soft enough not to damage the rotary blade.
For example, used cloth, wood chips, virgin pulp sheet and the like are considered as the fiber-containing material provided as a recycled material (spent article) or an intermediate product.
【０００８】[0008]
【課題を解決するための手段】課題を解決するために本
発明は、再生原料（使用済物品）又は中間製品として供
される故紙、古布、木片、バージンパルプシートその他
の繊維含有材料から解繊物を得ようとする際に、主に乾
式解繊処理の前処理として繊維含有材料を物理的に切り
刻むために用いられ、内側に固定刃を備えた有底円筒ケ
ーシングと、前記有底円筒ケーシングの内壁との間にク
リアランスを設けて周設した多孔スクリーンと、前記有
底円筒ケーシングの軸中心に軸装され前記固定刃と協働
して前記繊維含有材料を切断又は裂断する回転刃と、稼
働中に前記有底円筒ケーシング内の気体を吸引するとと
もに前記多孔スクリーンを介して被粉砕物を外部に排出
・回収するための気体吸引部を有した繊維含有材料の縦
型粗粉砕装置の改善であって、回転により有底円筒ケー
シング内で上向きの気流を生じるような羽根構造を有
し、かつ、回転面外周に複数の回転刃取付け部を等配し
た回転刃物台を軸方向にそれぞれ離間して多段設置する
とともに、有底円筒ケーシングの下部側壁の一又は複数
カ所に気体吸引部を形設してなり、稼働中に有底円筒ケ
ーシング内で生じる上向きの気流及び被粉砕物の流動に
抗して、下方により大きな吸引気流を生じさせ、被粉砕
物を一又は多方向から随時排出・回収するようにしたこ
とを特徴とするものである。SUMMARY OF THE INVENTION In order to solve the problem, the present invention provides a method for defibrating waste paper, used cloth, wood chips, virgin pulp sheet and other fiber-containing materials provided as a recycled material (spent article) or an intermediate product. When obtaining a product, a bottomed cylindrical casing with a fixed blade inside, which is used for physically chopping fiber-containing materials mainly as a pretreatment of dry defibration processing, and the bottomed cylindrical casing A perforated screen provided with a clearance between the inner wall of the cylindrical casing, and a rotary blade that is axially mounted on the center of the bottomed cylindrical casing and cooperates with the fixed blade to cut or tear the fiber-containing material. A vertical coarse crusher for fiber-containing materials having a gas suction unit for sucking gas in the bottomed cylindrical casing during operation and discharging / collecting the crushed material to the outside through the porous screen. Break A rotating blade post having a blade structure such that an upward airflow is generated in a bottomed cylindrical casing by rotation, and a plurality of rotating blade mounts are equally arranged on the outer circumference of the rotating surface. And a gas suction part is formed at one or more places on the lower side wall of the bottomed cylindrical casing, so that the upward air flow and the flow of the material to be crushed generated in the bottomed cylindrical casing during operation. Contrary to this, a large suction airflow is generated downward, and the object to be crushed is discharged and collected as needed from one or multiple directions.
【０００９】また、上記縦型粗粉砕装置に専用される刃
物構造であって、回転面外周に複数の回転刃取付け部を
等配した回転刃物台が、回転により有底円筒ケーシング
内で上向きの気流を生じるような羽根構造を有し、前記
回転刃取付け部に、固定刃に対する接触角度が鈍角とな
るように刃面形成した回転刃を着脱可能に取り付けてな
ることを特徴とするものである。[0009] Further, in the blade structure exclusively used for the vertical coarse crushing apparatus, a rotary tool rest in which a plurality of rotary blade mounting portions are equally arranged on the outer periphery of a rotating surface is turned upward in a bottomed cylindrical casing by rotation. It has a blade structure that generates an airflow, and is characterized in that a rotating blade having a blade surface formed so as to have an obtuse contact angle with the fixed blade is detachably attached to the rotating blade mounting portion. .
【００１０】[0010]
【発明の実施の形態】本発明の実施の形態は、上記縦型
粗粉砕装置の回転刃物台の設置構成において、上下段の
位置関係にある回転刃物台間で、上段の回転刃が、下段
の回転刃に対して、回転方向に最大４５度の範囲内で遅
れて固定刃に接触するようにそれぞれ軸装されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention is directed to the installation configuration of the rotary tool rest of the above-mentioned vertical coarse crushing apparatus, wherein the upper rotary blade is positioned between the upper and lower rotary tool rests in the lower row. Each of the rotary blades is axially mounted so as to contact the fixed blade with a delay within a range of up to 45 degrees in the rotation direction.
【００１１】また、上記構成の刃物構造において、羽根
構造を翼形として回転方向の前端縁を斜面形成し、その
傾斜角度を２度〜１０度範囲としている。In the blade structure having the above-mentioned structure, the blade structure has an airfoil shape, a front end edge in the rotation direction is formed with a slope, and the inclination angle is in a range of 2 degrees to 10 degrees.
【００１２】また、羽根構造をプロペラ形とし、そのひ
ねり角度を２度〜１０度範囲とする場合がある。Further, the blade structure may be a propeller type, and its twist angle may be in a range of 2 degrees to 10 degrees.
【００１３】上記各構成によると、装置稼働中に被粉砕
物を上向きに流動させ（舞い上げ又は吹き上げ）、有底
円筒ケーシング下部に滞留することなく、多孔スクリー
ンを介して吸引方向（一又は複数カ所に設けた気体吸引
部）に収集し排出・回収することができる。According to each of the above constructions, the material to be ground is caused to flow upward (float or blow up) during the operation of the apparatus, and does not stay at the lower portion of the bottomed cylindrical casing, and the suction direction (one or more) is passed through the porous screen. Collected at a gas suction unit provided at various locations) and can be discharged and collected.
【００１４】また、回転刃物台（回転刃を含む）を離間
して多段配置することにより、稼働中に、多孔スクリー
ン内では被粉砕物の落下を遅速化できるので、被粉砕物
と刃物との接触回数（切断回数）が増し、十分に所望の
大きさまで粉砕することができる。したがって、先願装
置にような２段階処理をおこなうように手段構成する必
要がない。[0014] In addition, by disposing the rotary tool rest (including the rotary blade) in multiple stages, the falling of the material to be crushed in the perforated screen during operation can be slowed down. The number of times of contact (the number of times of cutting) increases, and it is possible to sufficiently pulverize to a desired size. Therefore, there is no need to provide a means for performing a two-step process as in the prior application.
【００１５】さらに、被粉砕物は常に流動状態にあり、
回転刃と固定刃の間に被粉砕物が詰まることがないの
で、高効率で連続運転可能であり、処理量の増大が図れ
る。同時に、粉砕途中の被粉砕物の膨満（嵩体積の増
加）を回避することができる。Further, the material to be ground is always in a fluid state,
Since there is no clogging of the object to be crushed between the rotary blade and the fixed blade, continuous operation can be performed with high efficiency, and the throughput can be increased. At the same time, swelling (increase in bulk volume) of the material to be ground during the grinding can be avoided.
【００１６】[0016]
【実施例】本発明の実施例について添付図面を参照して
以下説明する。なお、図中の符号は、先願装置の説明に
用いた符号とは無関係である。Embodiments of the present invention will be described below with reference to the accompanying drawings. Note that the reference numerals in the drawing are irrelevant to the reference numerals used in the description of the prior application.
【００１７】図１は、装置構成を示す斜視説明図であ
る。FIG. 1 is an explanatory perspective view showing the structure of the apparatus.
【００１８】図２は、同じく断面視概略説明図である。FIG. 2 is a schematic explanatory view in cross section.
【００１９】図３は、同じく平面視概略説明図である。FIG. 3 is a schematic explanatory view in plan view.
【００２０】図４は、刃物構造を示す平面図である。FIG. 4 is a plan view showing the blade structure.
【００２１】図５は、図４における（ａ）Ｉ−Ｉ矢視拡
大断面図、及び（ｂ）II−II矢視拡大断面図である。FIG. 5 is an enlarged sectional view taken along the line II-II in FIG. 4 and an enlarged sectional view taken along the line II-II in FIG.
【００２２】図６は、図４におけるＡ部詳細説明図であ
る。FIG. 6 is a detailed explanatory view of the part A in FIG.
【００２３】図示するように、実施例装置（Ｘ）は、繊
維含有材料から解繊物を得ようとする際に、主に乾式解
繊処理の前処理（粗粉砕処理）として繊維含有材料を物
理的に切り刻むために用いられる。上述したとおり、繊
維含有材料の対象は、故紙、古布、木片等の再生原料
（使用済物品）やバージンパルプシート（中間製品）が
好適である。As shown in the drawing, the apparatus (X) of the embodiment mainly uses a fiber-containing material as a pretreatment (coarse pulverization process) of a dry defibration process when obtaining a defibrated material from the fiber-containing material. Used to physically chop. As described above, the target of the fiber-containing material is preferably a recycled material (spent article) such as waste paper, used cloth, or wood chips, or a virgin pulp sheet (intermediate product).
【００２４】主な構成要素は先願装置の解繊機（第１解
繊部）とほぼ同じであるが、内側に固定刃（１）を備え
た有底円筒ケーシング（２）と、有底円筒ケーシング
（２）の内壁との間にクリアランスを設けて周設した多
孔スクリーン（２）と、有底円筒ケーシング（２）の軸
中心に軸装され固定刃（１）と協働して繊維含有材料を
切断又は裂断する回転刃（４）と、稼働中に有底円筒ケ
ーシング（２）内の気体を吸引するとともに多孔スクリ
ーン（３）を介して被粉砕物を外部に排出・回収するた
めの気体吸引部（５）を有している。The main components are almost the same as those of the defibrating machine (first defibrating unit) of the prior application apparatus, but a bottomed cylindrical casing (2) having a fixed blade (1) inside, and a bottomed cylinder A perforated screen (2) provided with a clearance between itself and the inner wall of the casing (2), and a fiber-containing material which is axially mounted on the axis of the bottomed cylindrical casing (2) and cooperates with the fixed blade (1). A rotary blade (4) that cuts or tears material, and sucks gas from the bottomed cylindrical casing (2) during operation and discharges and collects crushed materials to the outside via a porous screen (3). Gas suction part (5).
【００２５】ここで、多孔スクリーン（２）の設置構造
を説明しておく。多孔スクリーン（２）は、所謂パンチ
ングメタルであって、有底円筒ケーシング（２）の底面
とは離隔して設置された円形床板（８）の外周縁に立設
され、かつ、固定刃取付け用リブ（21）間に円周を分割
して取付け〔該リブ（21）の周方向側面に固着する〕ら
れている。円形床板（８）は固定刃取付け用リブ（21）
の下端に持設される。固定刃取付け用リブ（21）は、有
底円筒ケーシング（２）の側壁の複数カ所（等配位置）
で肉厚を内側に大きくして上下方向に〔底面に至らず円
形床板（８）の設置位置まで〕断面視凸状にレール形成
されている。したがって、有底円筒ケーシング（２）と
多孔スクリーン（２）とのクリアランスは円形床板
（８）と底面との離隔空間に連通している。なお、この
離隔空間に向いて気体吸引部（５）が開口している。Here, the installation structure of the porous screen (2) will be described. The perforated screen (2) is a so-called punched metal, and is erected on an outer peripheral edge of a circular floor plate (8) which is set apart from the bottom surface of the bottomed cylindrical casing (2), and for fixing a fixed blade. The circumference is divided between the ribs (21) and attached [fixed to the circumferential side surface of the rib (21)]. Circular floor (8) is fixed blade mounting rib (21)
Is installed at the lower end. The fixed blade mounting ribs (21) are located at a plurality of locations (equally positioned) on the side wall of the bottomed cylindrical casing (2).
The rail is formed so as to be convex in cross section in the vertical direction (up to the installation position of the circular floor plate (8) without reaching the bottom surface). Accordingly, the clearance between the bottomed cylindrical casing (2) and the perforated screen (2) communicates with the space between the circular floor plate (8) and the bottom surface. In addition, the gas suction part (5) is open toward this separated space.
【００２６】特徴的構成は、回転刃（４）を取り付ける
ための回転刃物台（６）であって、回転により有底円筒
ケーシング（２）内で上向きの気流を生じるような羽根
構造を有し、かつ、回転面外周に複数の回転刃取付け部
（61）を等配したものとされる。図示では、２基の回転
刃物台（６；6a，6b）をスペーサ（７）を介して軸方向
（上下）に２段設置している。A characteristic configuration is a rotary tool rest (6) for mounting the rotary blade (4), which has a blade structure that generates an upward airflow in the bottomed cylindrical casing (2) by rotation. Further, a plurality of rotary blade mounting portions (61) are equally arranged on the outer circumference of the rotary surface. In the drawing, two rotary tool rests (6; 6a, 6b) are installed in two stages in the axial direction (up and down) via a spacer (7).
【００２７】その設置構成において、上下段の位置関係
にある回転刃物台（６；6a，6b）間で、上段の回転刃
（4a）が、下段の回転刃（4b）に対して、回転方向に最
大４５度の範囲内で遅れて固定刃（１）に接触するよう
に軸装されている。In the installation configuration, the upper rotary blade (4a) is rotated with respect to the lower rotary blade (4b) in the direction of rotation between the rotary tool rests (6; 6a, 6b) in a vertical positional relationship. The shaft is mounted so as to contact the fixed blade (1) with a delay within a range of up to 45 degrees.
【００２８】また、気体吸引部（５）は有底円筒ケーシ
ング（２）の下部側壁に形設されている。これにより、
稼働中に有底円筒ケーシング（２）内で生じる上向きの
気流及び被粉砕物の流動に抗して、下方により大きな吸
引気流を生じさせ、被粉砕物を一又は多方向から随時排
出・回収するようにしている。The gas suction section (5) is formed on the lower side wall of the bottomed cylindrical casing (2). This allows
A larger suction airflow is generated downward against the upward air flow and the flow of the material to be crushed generated in the bottomed cylindrical casing (2) during operation, and the material to be crushed is discharged and recovered from one or multiple directions as needed. Like that.
【００２９】なお、図示の実施例装置（Ｘ）では気体吸
引部（５）は一カ所であるが、装置規模（処理容量）を
大きくした場合は、複数カ所に気体吸引部（５）を形設
して、多方向から被粉砕物を外部に排出（回収）し、又
は後段の機器に連絡することになろう。In the illustrated embodiment (X), the gas suction section (5) is provided at one place. However, when the apparatus scale (processing capacity) is increased, the gas suction section (5) is formed at a plurality of places. In such a case, the object to be crushed is discharged (collected) from multiple directions to the outside, or connected to the subsequent equipment.
【００３０】上記実施例装置（Ｘ）における具体的な刃
物構造（Ｙ）は、回転刃物台（６）の羽根構造を翼形と
して回転方向の前端縁（62）を斜面形成し、その傾斜角
度（α）を２度〜１０度範囲としている。そして、回転
刃取付け部（61）には、固定刃（１）に対する接触角度
（θ）が鈍角となるように刃面形成した回転刃（４）を
着脱可能に取り付けている。この回転刃（４）は直刃で
よく、そうすることで製造コスト及び維持コストの面で
有利となる。A specific blade structure (Y) in the apparatus (X) according to the above embodiment has a blade structure of a rotary tool post (6) having an airfoil shape, forming a front end edge (62) in a rotational direction with a slope, and an inclination angle thereof. (Α) is in the range of 2 degrees to 10 degrees. The rotary blade (4) having a blade surface formed so that the contact angle (θ) with the fixed blade (1) becomes an obtuse angle is detachably attached to the rotary blade mounting portion (61). The rotary blade (4) may be a straight blade, which is advantageous in terms of manufacturing costs and maintenance costs.
【００３１】また、羽根構造をプロペラ形とし、そのひ
ねり角度を２度〜１０度範囲としてもよい。（図示省
略）The blade structure may have a propeller shape, and the twist angle may be in the range of 2 to 10 degrees. (Not shown)
【００３２】[0032]
【発明の効果】本発明は以上の構成よりなるものであ
り、これによれば全体として再生原料（使用済物品）又
は中間製品として供される故紙、古布、木片、バージン
パルプシートその他の繊維含有材料から解繊物を得よう
とする際の前処理（粗粉砕処理）において、機械的な均
一粉砕と処理量の増大に関し大幅な改善が図れるととも
に、後流の解繊処理（手段）との間でスムーズな連携が
図れるので、産業上極めて有益である。According to the present invention, there is provided a waste paper, used cloth, wood chip, virgin pulp sheet or other fiber-containing material which is provided as a recycled material (spent article) or an intermediate product as a whole. In pre-treatment (coarse pulverization processing) when trying to obtain a defibrated material from a material, a great improvement can be achieved with regard to mechanical uniform pulverization and an increase in the processing amount, and a defibration processing (means) in the downstream. This is extremely useful in industry because smooth cooperation between them can be achieved.
【図１】装置構成を示す斜視説明図である。FIG. 1 is an explanatory perspective view showing a device configuration.
【図２】同じく断面視概略説明図である。FIG. 2 is a schematic explanatory view in a sectional view.
【図３】同じく平面視概略説明図である。FIG. 3 is a schematic explanatory view in plan view in the same manner.
【図４】刃物構造を示す平面図である。FIG. 4 is a plan view showing a blade structure.
【図５】図４における（ａ）Ｉ−Ｉ矢視拡大断面図、及
び（ｂ）II−II矢視拡大断面図である。5A is an enlarged sectional view taken along the line II in FIG. 4, and FIG. 4B is an enlarged sectional view taken along the line II-II in FIG.
【図６】図４におけるＡ部詳細説明図である。FIG. 6 is a detailed explanatory view of a portion A in FIG. 4;
１ 固定刃 ２ 有底円筒ケーシング 21 固定刃取付け用リブ ３ 多孔スクリーン ４ 回転刃 ５ 気体吸引部 ６ 回転刃物台 6a 回転刃物台（上段） 6b 回転刃物台（下段） 61 回転刃取付け部 62 前端縁 ７ スペーサ ８ 円形床板 α 傾斜角度 θ 接触角度 Ｘ 縦型粗粉砕装置 Ｙ 刃物構造 DESCRIPTION OF SYMBOLS 1 Fixed blade 2 Bottom cylindrical casing 21 Fixed blade mounting rib 3 Perforated screen 4 Rotating blade 5 Gas suction unit 6 Rotating turret 6a Rotating turret (upper) 6b Rotating turret (lower) 61 Rotating blade mounting unit 62 Front edge 7 Spacer 8 Circular floor plate α Tilt angle θ Contact angle X Vertical coarse crusher Y Blade structure
Claims (4)
して供される故紙、古布、木片、バージンパルプシート
その他の繊維含有材料から解繊物を得ようとする際に、
主に乾式解繊処理の前処理として繊維含有材料を物理的
に切り刻むために用いられ、内側に固定刃を備えた有底
円筒ケーシングと、前記有底円筒ケーシングの内壁との
間にクリアランスを設けて周設した多孔スクリーンと、
前記有底円筒ケーシングの軸中心に軸装され前記固定刃
と協働して前記繊維含有材料を切断又は裂断する回転刃
と、稼働中に前記有底円筒ケーシング内の気体を吸引す
るとともに前記多孔スクリーンを介して被粉砕物を外部
に排出・回収するための気体吸引部を有した繊維含有材
料の縦型粗粉砕装置において、回転により有底円筒ケー
シング内で上向きの気流を生じるような羽根構造を有
し、かつ、回転面外周に複数の回転刃取付け部を等配し
た回転刃物台を軸方向にそれぞれ離間して多段設置する
とともに、有底円筒ケーシングの下部側壁の一又は複数
カ所に気体吸引部を形設してなり、稼働中に有底円筒ケ
ーシング内で生じる上向きの気流及び被粉砕物の流動に
抗して、下方により大きな吸引気流を生じさせ、被粉砕
物を一又は多方向から随時排出・回収するようにしたこ
とを特徴とする繊維含有材料の縦型粗粉砕装置。Claims: 1. An attempt to obtain a defibrated material from waste paper, used cloth, wood chips, virgin pulp sheet and other fiber-containing materials provided as a recycled material (spent article) or an intermediate product.
Mainly used for physically chopping the fiber-containing material as a pretreatment of the dry defibration process, a bottomed cylindrical casing with a fixed blade inside, and a clearance provided between the inner wall of the bottomed cylindrical casing With a perforated screen
A rotating blade that is mounted around the axis of the bottomed cylindrical casing and cuts or tears the fiber-containing material in cooperation with the fixed blade, and that sucks gas in the bottomed cylindrical casing during operation; In a vertical coarse crusher for fiber-containing materials having a gas suction unit for discharging and collecting the crushed material to the outside through a porous screen, blades that generate an upward airflow in the bottomed cylindrical casing by rotation A rotating tool rest having a structure, and a plurality of rotating blade mounting parts equally arranged on the outer circumference of the rotating surface is installed in a multi-stage manner while being spaced apart in the axial direction, and at one or a plurality of locations on the lower side wall of the bottomed cylindrical casing. A gas suction section is formed, and a large suction airflow is generated downward in the downward direction against the upward air flow and the flow of the object to be crushed generated in the bottomed cylindrical casing during operation, and one or more objects to be crushed are formed. Direction Vertical coarse grinding apparatus of a fiber-containing material, characterized in that so as to release and recover any time.
下段の位置関係にある回転刃物台間で、上段の回転刃
が、下段の回転刃に対して回転方向に最大４５度の範囲
内で遅れて固定刃に接触するようにそれぞれ軸装される
ものである請求項１記載の繊維含有材料の縦型粗粉砕装
置。2. In the installation configuration of the rotary tool rest, between the rotary tool rests in the upper and lower positions, the upper rotary blade is rotated at a maximum angle of 45 degrees with respect to the lower rotary blade. The vertical coarse crushing apparatus for fiber-containing materials according to claim 1, wherein the shafts are respectively mounted so as to contact the fixed blade with a delay.
砕装置における刃物構造であって、回転面外周に複数の
回転刃取付け部を等配した回転刃物台が、回転により有
底円筒ケーシング内で上向きの気流を生じるような羽根
構造を有し、前記回転刃取付け部に、固定刃に対する接
触角度が鈍角となるように刃面形成した回転刃を着脱可
能に取り付けてなることを特徴とする縦型粗粉砕装置の
刃物構造。3. The blade structure in the vertical coarse crushing apparatus for fiber-containing materials according to claim 1, wherein the rotary tool rest having a plurality of rotary blade mounting portions equally arranged on the outer periphery of the rotary surface is rotated to form a bottomed cylinder. It has a blade structure that generates an upward airflow in the casing, and a rotary blade having a blade surface formed so that the contact angle with respect to the fixed blade becomes an obtuse angle is detachably attached to the rotary blade mounting portion. The blade structure of the vertical coarse crusher.
端縁を斜面形成し、その傾斜角度を２度〜１０度範囲と
したものである請求項３記載の縦型粗粉砕装置の刃物構
造。4. The vertical coarse crushing device according to claim 3, wherein the blade structure is an airfoil, and a front end edge in a rotating direction is formed with a slope, and the inclination angle is set in a range of 2 degrees to 10 degrees. Blade structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11047544A JP3051981B1 (en) | 1999-02-25 | 1999-02-25 | Vertical coarse crushing apparatus for fiber-containing material and its blade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11047544A JP3051981B1 (en) | 1999-02-25 | 1999-02-25 | Vertical coarse crushing apparatus for fiber-containing material and its blade structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP3051981B1 JP3051981B1 (en) | 2000-06-12 |
| JP2000237616A true JP2000237616A (en) | 2000-09-05 |
Family
ID=12778102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11047544A Expired - Lifetime JP3051981B1 (en) | 1999-02-25 | 1999-02-25 | Vertical coarse crushing apparatus for fiber-containing material and its blade structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3051981B1 (en) |
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